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# Software Developer - Expert

- **Company:** THE JUDGE GROUP, INC.
- **Location:** Southlake, TX, United States
- **Experience:** Expert
- **Salary:** $166,400.0 - $187,200.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Computer Programming, Data Systems, Software Debugging, Python (Programming Language), Key Management, Blockchain, Software Engineering, Systems Integration, Datadog, Generative AI, Backend, Build Management
- **Published:** August 28, 2026
- **Apply:** https://www.dice.com/job-detail/7e751e27-2e0b-4f8d-b83c-9a369919417a

## About the Role

* 7 years of professional software engineering experience.
 * Experience building or integrating blockchain or distributed ledger systems.
 * Experience building backend services, APIs, and infrastructure components.
 * Programming experience in one or more general-purpose languages, including Go, Java, Rust, or Python.
 * Experience with Layer-1 blockchain protocols and transaction lifecycles., * Experience with blockchain indexers, explorers, or chain analytics systems.
 * Experience with wallet architecture and blockchain signing workflows.
 * Experience working with crypto custody platforms or security-sensitive financial systems.
 * Experience debugging in distributed, asynchronous environments.
 * Experience using Generative AI or agentic AI tooling to support complex software development and protocol analysis.

## Description

This is a hands-on engineering role focused on Layer-1 blockchain integration, core blockchain infrastructure components, wallet engineering, and custody-related blockchain workflows. You will work in close partnership with Crypto Custody Lead Engineers and Crypto Security Engineers to ensure blockchain interactions are secure, reliable, observable, and production-ready.

Operating at the intersection of blockchain protocol mechanics and institutional custody systems, you will establish strong foundations for scalable digital-asset custody platforms. Success in this role means blockchain integrations are predictable, wallet pipelines behave correctly across edge-case chain conditions, and custody systems interact with blockchains safely and consistently.

Responsibilities

 * Layer-1 Blockchain Integration: Integrate internal systems with existing Layer-1 blockchains. Evaluate, build, or extend capabilities to meet custody, scalability, or resiliency needs while managing chain-level mechanics (e.g., finality, forks, reorgs).
 * Infrastructure Development: Design and build core blockchain infrastructure services, including indexers, event processors, block explorers, observability tooling, and cross-chain integration components.
 * Wallet Architecture: Build blockchain-facing wallet services, transaction creation and signing pipelines, and integrate with custody key management systems (MPC, HSMs, signing services).
 * Workflow Management: Manage custody-related blockchain workflows, including on-chain transaction execution, event monitoring, reconciliation, and chain-specific failure handling and recovery.
 * Engineering Rigor: Apply modern engineering practices to build reliable and testable services. Leverage GenAI tools to accelerate code development, testing, and documentation without sacrificing safety or correctness.


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